Garden doors usually are connected to a DC power source interrupted by a push button. With the following simple setup it’s possible to close the circuit with HomeKit (Siri or Home-App on Apple Watch, iPhone, iPad) for a defined time.

I wrote a very basic speed test in Swift, Java, JavaScript, C / C++, Python, Ruby, and Perl. Awesome is the speed of Swift. It’s up to two times faster than Java und up to 3 times faster than C / C++ depending which function will be used. For this test I implemented the following simple function: